注意:获取url参数后,中文需要 decodeURI
<scripttype="text/javascript">
//para_name 参数名称 para_value 参数值 url所要更改参数的网址
function setUrlParam(para_name, para_value) {
var strNewUrl = new String();
var strUrl = new String();
var url = new String();
url= window.location.href;
strUrl = window.location.href;
//alert(strUrl);
if (strUrl.indexOf("?") != -1) {
strUrl = strUrl.substr(strUrl.indexOf("?") + 1);
//alert(strUrl);
if (strUrl.toLowerCase().indexOf(para_name.toLowerCase()) == -1){
strNewUrl = url + "&" + para_name + "=" +para_value;
window.location = strNewUrl;
//return strNewUrl;
} else {
var aParam = strUrl.split("&");
//alert(aParam.length);